Dimethyl Ether

Base Information

• Chemical Name: Dimethyl Ether
• CAS No.: 115-10-6
• Deprecated CAS: 157621-61-9,451449-67-5,451449-67-5
• Molecular Formula: C2H6O
• Molecular Weight: 46.069
• Hs Code.: 2909191000
• European Community (EC) Number: 204-065-8
• ICSC Number: 0454
• UN Number: 1033
• UNII: AM13FS69BX
• DSSTox Substance ID: DTXSID8026937
• Nikkaji Number: J2.275.141G,J2.464C,J2.911.357B
• Wikipedia: Dimethyl ether
• Wikidata: Q408050,Q83037353
• NCI Thesaurus Code: C1645
• RXCUI: 1313349
• Metabolomics Workbench ID: 51879
• ChEMBL ID: CHEMBL119178
• Mol file: 115-10-6.mol

Synonyms:dimethyl ether

Chemical Property of Dimethyl Ether

Chemical Property:

• Appearance/Colour: colourless gas
• Vapor Pressure: >760 mm Hg ( 25 °C)
• Melting Point: -141 °C(lit.)
• Refractive Index: 1.2984
• Boiling Point: -24.8 °C(lit.)
• Flash Point: -41°C
• PSA: 9.23000
• Density: 0.678 g/cm³
• LogP: 0.26260
• Solubility.: Soluble in acetone, chloroform, ethanol (95%), ether, and 1 in 3 parts of water. Dimethyl ether is generally miscible with water, nonpolar materials, and some semipolar materials. For pharmaceutical aerosols, ethanol (95%) is the most useful cosolvent. Glycols, oils, and other similar materials exhibit varying degrees of miscibility with dimethyl ether.
• Water Solubility.: soluble
• XLogP3: 0.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 46.041864811
• Heavy Atom Count: 3
• Complexity: 2.8
• Transport DOT Label: Flammable Gas

Purity/Quality:

99.9% ^*data from raw suppliers

Dimethyl ether 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F++
• Hazard Codes: F+
• Statements: 12
• Safety Statements: 9-16-33

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Solvents -> Ethers (
• Canonical SMILES: COC
• Inhalation Risk: On loss of containment, a harmful concentration of this gas in the air will be reached very quickly, especially in confined spaces.
• Effects of Short Term Exposure: The substance is irritating to the eyes and respiratory tract. Rapid evaporation of the liquid may cause frostbite. The substance may cause effects on the central nervous system. Exposure could cause lowering of consciousness.
• Uses: Methyl ether is used as an aerosol propellantand in refrigeration. Aerosol propellant; alternative diesel fuel; chemical intermediate. Dimethyl ether is used as a solvent in aerosol formulations.

Technology Process of Dimethyl Ether

There total 603 articles about Dimethyl Ether which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 60.41%

1-methoxyoctane (929-56-6) → methanol (67-56-1) + trans-4-Octene (14850-23-8) + oct-3-ene (14850-22-7,14919-01-8,138663-42-0,592-98-3) + cis-2-octene (7642-04-8) + trans-2-Octene (13389-42-9) + Dimethyl ether (115-10-6,157621-61-9) + oct-1-ene (111-66-0,25068-25-1) + (Z)-oct-4-ene (7642-15-1)

Guidance literature:

at 350 ℃; under 750.075 Torr; Product distribution / selectivity; Gas phase;

Reference yield: 28.5%

carbon dioxide (124-38-9,18923-20-1) + carbon monoxide (201230-82-2) → methanol (67-56-1) + propan-1-ol (71-23-8) + propylene glycol (57-55-6,63625-56-9) + 1,4-Pentanediol (626-95-9) + 1 ,5-pentanediol (111-29-5) + Butane-1,4-diol (110-63-4) + diethyl ether (60-29-7,927820-24-4) + methane (34557-54-5,27936-85-2) + ethanol (64-17-5) + (+/-)-2-pentanol (6032-29-7,13403-73-1) + 1.3-butanediol (18826-95-4,107-88-0) + 1,2-pentanediol (5343-92-0) + ethane (74-84-0) + propane (74-98-6) + Dimethyl ether (115-10-6,157621-61-9) + ethyl methyl ether (540-67-0) + 2-methyl-propan-1-ol (78-83-1) + 2-pentanol (584-02-1) + pentan-1-ol (71-41-0) + 1,3-pentanediol (3174-67-2) + acetic acid methyl ester (79-20-9) + isopropyl alcohol (67-63-0,8013-70-5) + iso-butanol (78-92-2,15892-23-6) + tert-butyl alcohol (75-65-0) + butan-1-ol (71-36-3) + 1,2-dihydroxybutane (584-03-2)

Guidance literature:

With hydrogen; Cu/Co/Al; at 260 - 320 ℃; under 45004.5 - 75007.5 Torr; Conversion of starting material;

Reference yield: 28.5%

carbon dioxide (124-38-9,18923-20-1) + carbon monoxide (201230-82-2) → methanol (67-56-1) + propan-1-ol (71-23-8) + propylene glycol (57-55-6,63625-56-9) + 1,4-Pentanediol (626-95-9) + 1 ,5-pentanediol (111-29-5) + Butane-1,4-diol (110-63-4) + diethyl ether (60-29-7,927820-24-4) + ethanol (64-17-5) + (+/-)-2-pentanol (6032-29-7,13403-73-1) + 1.3-butanediol (18826-95-4,107-88-0) + 1,2-pentanediol (5343-92-0) + Dimethyl ether (115-10-6,157621-61-9) + ethyl methyl ether (540-67-0) + 2-methyl-propan-1-ol (78-83-1) + 2-pentanol (584-02-1) + pentan-1-ol (71-41-0) + 1,3-pentanediol (3174-67-2) + acetic acid methyl ester (79-20-9) + isopropyl alcohol (67-63-0,8013-70-5) + iso-butanol (78-92-2,15892-23-6) + tert-butyl alcohol (75-65-0) + butan-1-ol (71-36-3) + 1,2-dihydroxybutane (584-03-2)

Guidance literature:

With hydrogen; Zn/Cr/K; at 350 - 420 ℃; under 75007.5 - 135014 Torr; Conversion of starting material;

upstream raw materials:

diazomethane

chloral hydrate

trimethyl phosphite

magnesium methanolate

Downstream raw materials:

trimethoxonium tetrafluoroborate

trimethyloxonium hexachloroantimonate^(1-)

methylene chloride

1,2,4,5-tetramethylbenzene

Refernces

• 1、 Yagita, Hiroshi,Omata, Kohji,Shikada, Tsutomu,Fujimoto, Kaoru. "Vapor-Phase Carbonylation of Methanol over Tin-on-Active Carbon Catalysts". . p. 2352 - 2357. Retrieved 1990.
• 2、 Qin, Zu-Zeng,Zhou, Xin-Hui,Su, Tong-Ming,Jiang, Yue-Xiu,Ji, Hong-Bing. "Hydrogenation of CO2 to dimethyl ether on La-, Ce-modified Cu-Fe/HZSM-5 catalysts". . p. 78 - 82. Retrieved 2016.
• 3、 Sulikowski, Bogdan,Klinowski, Jacek. "Boroaluminosilicate Catalysts with the ZSM-5 Structure Synthesized in Nonalkaline Media". . p. 5030 - 5035. Retrieved 1992.
• 4、 Gentzen, Manuel,Doronkin, Dmitry E.,Sheppard, Thomas L.,Grunwaldt, Jan-Dierk,Sauer, J?rg,Behrens, Silke. "An intermetallic Pd2Ga nanoparticle catalyst for the single-step conversion of CO-rich synthesis gas to dimethyl ether". . p. 206 - 214. Retrieved 2018.
• 5、 Lakshmi, L. Jhansi,Alyea, Elmer C.,Srinivas,Kanta Rao. "Influence of metal oxide modification of alumina on the dispersion and activity of vanadia catalysts". . p. 3324 - 3328. Retrieved 1997.
• 6、 Matsumura, Yasuyuki,Moffat, John B.. "Methanol adsorption and dehydrogenation over stoichiometric and non-stoichiometric hydroxyapatite catalysts". . p. 1981 - 1984. Retrieved 1996.
• 7、 Han, Minghan,Zhang, Shuai. "Effect of Mo dispersion on the catalytic properties and stability of Mo-Fe catalysts for the partial oxidation of methanol". . . Retrieved 2020.
• 8、 Christie, J. Joseph,Lewis, Edward S.,Casserly, Edward F.. "Methyl-Transfer Reactions. 7. System with CH3OSO(1+) Intermediate". . p. 2531 - 2534. Retrieved 1983.
• 9、 Lan, Dongxue,Ma, Li,Chun, Yuan,Wu, Chen,Sun, Linbing,Zhu, Jianhua. "Methylation of cyclopentadiene on solid base catalysts with different surface acid-base properties". . p. 257 - 269. Retrieved 2010.
• 10、 Martinez-Ramirez,Flores-Escamilla,Berumen-Espa?a,Jimenez-Lam,Handy,Cardenas-Galindo,Sarmiento-Lopez, Adan G.,Fierro-Gonzalez. "Methanol carbonylation catalyzed by TiO2-supported gold: An in-situ infrared spectroscopic investigation". . p. 254 - 261. Retrieved 2015.